These invocations are useful for actions like logging, caching, or security validation.

这些调用对日志记录、缓存设置和安全验证等操作很有用。

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The security validation for this page has timed out. Click on the following link to refresh the page, and try the operation again.

此网页的安全验证已超时。单击以下链接可刷新页面，然后重试操作。

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"The Army Certificate of Networthiness is recognized as a benchmark for security validation," said Philip Lieberman, President of Lieberman Software.

Lieberman软件公司总裁Philip Lieberman说：“CON证书是公认的安全验证基准。”

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The research, Anderson said, indicates that marriage "does confer the same sense of security, support, and validation" to same-sex couples as to heterosexual ones.

CNN: STORY HIGHLIGHTS